Revision 10537
| trunk/libraries/libDwg/src/com/iver/cit/jdwglib/dwg/readers/DwgFileV12Reader.java | ||
|---|---|---|
| 73 | 73 |
* DWG 13 and DWG 12 are very different formats (nor do DWG 13-14 and 2000). |
| 74 | 74 |
* Thats the reason why this IDwgFileReader is very different from the rest. |
| 75 | 75 |
* |
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* http://www.iwriteiam.nl/DWG12.html |
|
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* Documentation of reverse engineering of the format: |
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* http://www.iwriteiam.nl/DWG12.html |
|
| 77 | 78 |
* |
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* @author azabala |
| 79 | 80 |
* |
| ... | ... | |
| 193 | 194 |
bb.position(bb.position() + 6); |
| 194 | 195 |
|
| 195 | 196 |
Dwg12Table dimStyleTable = getTable(); |
| 196 |
bb.position(0x69); |
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bb.position(0x69f); |
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|
| 197 | 199 |
Dwg12Table p13table = getTable(); |
| 198 | 200 |
|
| 199 | 201 |
bb.position(bb.position() + 38); |
| 200 | 202 |
|
| 201 | 203 |
int currentPosition = bb.position(); |
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// if(currentPosition != eStart){
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// //Se supone que deber?amos estar en eStart
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// throw new RuntimeException("Error: no se ha llegado al principio de las entidades de dibujo");
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// }
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if(currentPosition != eStart){
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//Se supone que deber?amos estar en eStart |
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throw new RuntimeException("Error: no se ha llegado al principio de las entidades de dibujo");
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} |
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| 206 | 208 |
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//lee primero entidades normales? |
| 208 | 210 |
readEntities(eStart, eEnd); |
| ... | ... | |
| 867 | 869 |
byte b73 = bb.get(); |
| 868 | 870 |
txt.setValign(b73); |
| 869 | 871 |
} |
| 872 |
|
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//TODO La especificaci?n DXF 12 dice que la extrusion |
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//codigos DXF 210, 220, 230 se aplica sobre: |
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/* |
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Line, Point, Circle, Shape, Text, Arc, Trace, |
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Solid, Block Reference, Polyline, |
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Dimension, Attribute, and Attribute Definition entity |
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Pero aqu? no aparece por ningun lado la extrusion |
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* */ |
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double[] ext = new double[]{0, 0, 1};
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txt.setExtrusion(ext); |
|
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} |
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} |
| 872 | 886 |
|
| ... | ... | |
| 1353 | 1367 |
|
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while(ant < (end - 32)){
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| 1355 | 1369 |
bb.order(ByteOrder.LITTLE_ENDIAN); |
| 1370 |
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| 1356 | 1371 |
byte kind = bb.get(); |
| 1357 |
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/* |
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* Para el caso de Polyline y Vertex, se instanciar? |
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* un 2D o un 3D en funcion del valor del flag |
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* |
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* */ |
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| 1363 | 1372 |
if(kind < emax){
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| 1364 | 1373 |
reader = (EntityReader) readers.get(kind); |
| 1365 | 1374 |
}//if |
| 1366 | 1375 |
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//PROPERTIES COMMON TO ALL DWG 12 ENTITIES |
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byte flag = bb.get(); |
| 1371 | 1379 |
short lenght = bb.getShort(); |
| 1372 | 1380 |
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//segun esto los dos ultimos bytes son el CRC |
|
| 1373 | 1382 |
int crcpos = ant + (lenght - 2); |
| 1383 |
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short layer = bb.getShort(); |
| 1375 | 1386 |
short opts = bb.getShort(); |
| 1376 | 1387 |
|
| ... | ... | |
| 1378 | 1389 |
if ((flag & 0x1) > 0){
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| 1379 | 1390 |
color = bb.get(); |
| 1380 | 1391 |
} |
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|
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byte extra = 0; |
| 1382 | 1394 |
if ((flag & 0x40) > 0) |
| 1383 | 1395 |
extra = bb.get(); |
| 1384 | 1396 |
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String xdata = null; |
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if((extra & 0x2) > 0) |
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xdata = readXdata(); |
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short type = 0; |
| 1390 | 1404 |
if((flag & 0x2) > 0) |
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type = bb.getShort(); |
| 1392 | 1406 |
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double z = 0d; |
| 1394 | 1409 |
if( (flag & 0x4) > 0 && (kind > 2) && (kind != 22)){
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z = bb.getDouble(); |
| ... | ... | |
| 1403 | 1418 |
byte[] handle = null; |
| 1404 | 1419 |
if((flag & 0x20) > 0) |
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handle = getHandle(); |
| 1421 |
|
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short paper = 0; |
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if((extra & 0x4) > 0){
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paper = bb.getShort(); |
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} |
| 1410 | 1426 |
|
| 1411 | 1427 |
if(reader != null){
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/* |
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* */ |
|
| 1414 | 1428 |
DwgObject entity = null; |
| 1415 | 1429 |
if(reader instanceof PlineReader){
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System.out.println("plinereader");
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}else if(reader instanceof VertexReader){
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System.out.println("vertexreader");
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}else{
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entity = DwgObjectFactory. |
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getInstance(). |
| ... | ... | |
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* |
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* De ser as?, y si indexamos las layers de esta forma |
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* (con un HandleReference de code 0x5) ser? todo homogeneo |
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* |
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* TODO Construir instancias de DwgLayer a partir de las entradas |
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* de la tabla de layers, e indexarlas con un handle igual a su orden |
|
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* */ |
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|
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entity.setLayerHandle(new DwgHandleReference(0x5, layer)); |
| ... | ... | |
| 1451 | 1468 |
|
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|
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//TODO HANDLES. Tampoco se si en DWG 12 se leen |
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//igual que en DWG 13 y posteriores |
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int offset = handle.hashCode(); |
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DwgHandleReference hdl = new DwgHandleReference(0, offset); |
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entity.setHandle(hdl); |
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//igual que en DWG 13 y posteriores |
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if(handle != null){
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int offset = handle.hashCode(); |
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DwgHandleReference hdl = new DwgHandleReference(0, offset); |
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entity.setHandle(hdl); |
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}else{
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System.out.println("HANDLE A NULL");
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bb.position(crcpos); |
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short crc = bb.getShort(); |
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continue; |
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} |
|
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|
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//TODO Idem con el espacio papel o el espacio modelo |
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boolean paperSpace = false; |
| ... | ... | |
| 1466 | 1490 |
ant = bb.position(); |
| 1467 | 1491 |
if(ant < crcpos){
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| 1468 | 1492 |
bb.position(bb.position() + (crcpos - ant)); |
| 1469 |
}else{
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System.out.println("nos hemos pasado");
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|
| 1471 | 1493 |
} |
| 1472 | 1494 |
short crc = bb.getShort(); |
| 1473 | 1495 |
|
| ... | ... | |
| 1475 | 1497 |
dwgFile.addDwgObject(entity); |
| 1476 | 1498 |
|
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}//if reader |
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else{
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System.out.println("Reader a NULL. DWG 12 MAL LEIDO");
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System.out.println("kind = " + kind);
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bb.position(crcpos); |
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short crc = bb.getShort(); |
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continue; |
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} |
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| 1478 | 1508 |
ant = bb.position(); |
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byte[] crc32 = new byte[32]; |
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bb.get(crc32); |
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// byte[] crc32 = new byte[32];
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// bb.get(crc32);
|
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index++; |
| 1482 | 1512 |
}//while |
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byte[] crc32 = new byte[32];//TODO va dentro o fuera del while?? |
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bb.get(crc32); |
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} |
| 1484 | 1516 |
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| 1485 | 1517 |
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